A nurse is caring for a client who reports an area of redness, warmth, tenderness and pain in the right calf. Which of the following actions should the nurse anticipate when notifying the provider of this finding?

A. Platelet aggregation studies are not diagnostic for DVT. B. Massage is contraindicated because it can dislodge a clot and cause embolization. C. Homan’s sign is unreliable and potentially harmful, as it can dislodge a clot. D. A venous duplex ultrasound is the preferred, noninvasive diagnostic test to confirm DVT and should be anticipated.